Family name Mazylis (Mazylis 
) , in all the world, is a very rare cognomen. The cognomen Mazylis is characteristic of Lithuania, where it is quite a rare surname, Finland, where it is a very rare surname, and Australia. In absolute terms, it is the most numerous in Lithuania, Australia, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Mazylis | Finland, Lithuania, Australia, Germany |